Finding the Fourth Proportional to 139,614,527.58, 192,688,994.40 and 106,068,805.26
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Solution
The fourth proportional to 139,614,527.58, 192,688,994.40 and 106,068,805.26 is: 146,390,864.74
Step by Step Solution
- Step 1: Write the proportion equation
139,614,527.58 : 192,688,994.40 = 106,068,805.26 : x - Step 2: Convert to fraction form
139,614,527.58/192,688,994.40 = 106,068,805.26/x - Step 3: Cross multiply
139,614,527.58x = 192,688,994.40 × 106,068,805.26 - Step 4: Simplify right side
139,614,527.58x = 20,438,291,422,758,832 - Step 5: Solve for x
x = 20,438,291,422,758,832/139,614,527.58 - Step 6: Final answer
x = 146,390,864.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.